chore: migrate from packages.config to PackageReference

BACnet.csproj

@@ -5,13 +5,13 @@
     <Company>Ela-compil sp. z o. o.</Company>
     <Product>BACnet</Product>
     <Authors>Morten Kvistgaard, Ela-compil</Authors>
-    <Copyright>Copyright (c) 2017 Jakub Bartkowiak, MIT License</Copyright>
+    <Copyright>Copyright (c) 2019 Jakub Bartkowiak, MIT License</Copyright>
     <PackageTags>fce4c8e3-0d3a-4d90-9c26-349177129433</PackageTags>
     <PackageProjectUrl>https://github.com/ela-compil/BACnet</PackageProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/ela-compil/BACnet/master/logo.png</PackageIconUrl>
     <PackageReleaseNotes>BACnet protocol library for .NET</PackageReleaseNotes>
     <RootNamespace>System.IO.BACnet</RootNamespace>
-    <LangVersion>7.1</LangVersion>
+    <LangVersion>7.3</LangVersion>
     <Description>BACnet protocol library for .NET</Description>
   </PropertyGroup>
   <ItemGroup>

Tests/BACnet.Tests.csproj

@@ -21,6 +21,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <LangVersion>7.3</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -29,16 +30,11 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <LangVersion>7.3</LangVersion>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.9.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.9.0\lib\net40\nunit.framework.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.ValueTuple.4.4.0\lib\portable-net40+sl4+win8+wp8\System.ValueTuple.dll</HintPath>
-    </Reference>
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
@@ -51,14 +47,19 @@
     <Compile Include="Serialize\ServicesTests.cs" />
     <Compile Include="Serialize\ASN1Tests.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="packages.config" />
-  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\BACnet.csproj">
       <Project>{66832876-01FC-4B7C-8D92-54195773FABF}</Project>
       <Name>BACnet</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="NUnit">
+      <Version>3.9.0</Version>
+    </PackageReference>
+    <PackageReference Include="System.ValueTuple">
+      <Version>4.4.0</Version>
+    </PackageReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

Tests/Properties/AssemblyInfo.cs

@@ -10,7 +10,7 @@
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("BACnet.Tests")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright ©  2019")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]